V4L/DVB (5097): Convert cx8800 driver to video_ioctl2 handler

video_ioctl2 handler provides V4L2 API parsing.
Using it makes the driver simpler, and isolates API parsing.
This allows future reusage of driver controls using other ways, like sysfs
and/or procfs and increases isolation of driver-specific handling from the
generic common ioctl processing.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/media/video/cx88/cx88-vbi.c b/drivers/media/video/cx88/cx88-vbi.c
index aa2a69770098..b6b968851d71 100644
--- a/drivers/media/video/cx88/cx88-vbi.c
+++ b/drivers/media/video/cx88/cx88-vbi.c
@@ -21,9 +21,11 @@ MODULE_PARM_DESC(vbi_debug,"enable debug messages [vbi]");
 
 /* ------------------------------------------------------------------ */
 
-void cx8800_vbi_fmt(struct cx8800_dev *dev, struct v4l2_format *f)
+int cx8800_vbi_fmt (struct file *file, void *priv,
+                                        struct v4l2_format *f)
 {
-        memset(&f->fmt.vbi,0,sizeof(f->fmt.vbi));
+        struct cx8800_fh  *fh   = priv;
+        struct cx8800_dev *dev  = fh->dev;
 
         f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
         f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
@@ -43,6 +45,7 @@ void cx8800_vbi_fmt(struct cx8800_dev *dev, struct v4l2_format *f)
                 f->fmt.vbi.start[0] = 7 -1;
                 f->fmt.vbi.start[1] = 319 -1;
         }
+        return 0;
 }
 
 static int cx8800_start_vbi_dma(struct cx8800_dev    *dev,